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You are hereDie galvanische Kette, mathematisch bearbeitetMay 1, 1827

1800Voltaic pile Shared thread 1959MOSFET Shared thread 1820Hans Christian Ørsted Shared thread 1831Electromagnetic induction Shared thread 1897J. J. Thomson Shared thread 1879Incandescent light bulb Shared thread

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May 1, 1827

Die galvanische Kette, mathematisch bearbeitet

The famous 1 May date comes from the last line of Ohm's preface, not from any publication notice — and the law in the book had already appeared in his 1826 papers.

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